| arithmetic mean | The mean calculated by adding a set of values and then dividing the sum by the number of values. (05 Mar 2000) |
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| check ligaments of eyeball | <anatomy> Medial and lateral, expansions of the sheaths of the medial and lateral rectus muscles of the eyeball which are attached, respectively, to the lacrimal bone and to the orbital tubercle of the zygomatic bone; they serve to prevent overaction of these muscles. (05 Mar 2000) |
| check ligaments of odontoid | One of a pair of short stout bands that extends from the side of the dens of the axis to the tubercle on the medial aspect of the occipital condyle. Synonym: check ligaments of odontoid. Synonym: alar folds. (05 Mar 2000) |
| d check | A comparison of consecutive values for a given test in a patient's laboratory file used to detect abrupt changes, usually generated as a part of computer-based quality control programs. Synonym: d check. (05 Mar 2000) |
| delta check | A comparison of consecutive values for a given test in a patient's laboratory file used to detect abrupt changes, usually generated as a part of computer-based quality control programs. Synonym: d check. (05 Mar 2000) |